asdf-games/lib/movement/deadInTracks.js

const entity = require("../utilities/entity");

function deadInTracks(ent, map, x = 0, y = 0) {
	const bounds = entity.bounds(ent);
	const tiles = map.tilesAtCorners(bounds, x, y);
	const walks = tiles.map(t => t && t.frame.walkable);
	const blocked = walks.some(w => !w);
	if (blocked) {
		x = 0,
		y = 0;
	}
	return { x, y };
}
module.exports = {
	deadInTracks
};